<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>

    <style>
      .box {
        width: 200px;
        height: 200px;
        border: 1px solid black;
      }

      .img1 {
        background-image: url('imgs/logo.png');
      }
      .img2 {
        background-image: url('imgs/logo@2x.png');
        background-size: 100%;
      }
      .img3 {
        background-image: url('imgs/logo@3x.png');
        background-size: 100%;
      }
    </style>
  </head>
  <body>
    <div class="box img1"></div>
    <div class="box img2"></div>
    <div class="box img3"></div>
  </body>
</html>
